OJ-Problems-Source/HDOJ/1631_autoAC.cpp
2016-08-15 09:13:31 +08:00

73 lines
2.5 KiB
C++

#include <iostream>
#include <string>
#include <vector>
using namespace std;
enum SYMBOL{A, MOD, LA, BA, DA, PREDA, NAM, SE, PC, P, PN, PS, ST, VP, PV, UN};
bool aVowel[] = {1,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0};
static SYMBOL aConvTbl[14][4] = {
{PREDA, UN, PREDA, PREDA}, {PREDA, UN, UN, PS}, {NAM, UN, UN, PN},
{LA, UN, PS, PN}, {MOD, UN, PS, VP}, {A, PS, PS, PS}, {PS, UN, UN, P},
{DA, UN, P, PC}, {BA, PN, P, PC}, {VP, PN, UN, PV}, {PV, UN, PN, ST},
{PV, UN, UN, ST}, {PC, UN, UN, SE}, {ST, UN, UN, SE},
};
SYMBOL Token2Status(const string &str) {
int nNum = str.length(), cLast = str[nNum - 1];
if (!islower(cLast) || !aVowel[cLast - 'a']) {
return NAM;
}
switch (nNum) {
case 1: return A;
case 5:
nNum = aVowel[str[4] - 'a'];
nNum |= ((aVowel[str[0] - 'a'] << 4) | (aVowel[str[1] - 'a'] << 3));
nNum |= ((aVowel[str[2] - 'a'] << 2) | (aVowel[str[3] - 'a'] << 1));
return (nNum == 5 || nNum == 9) ? PREDA : UN;
case 2:
switch (str[0]) {
case 'g': return MOD;
case 'b': return BA;
case 'd': return DA;
case 'l': return LA;
}
}
return UN;
}
int main(void) {
vector<SYMBOL> Set;
for (string str; cin >> str && str != "#";) {
int nDot = str.find('.');
if (nDot == str.npos) {
Set.push_back(Token2Status(str));
continue;
}
str.erase(str.length() - 1);
if (!str.empty()) {
Set.push_back(Token2Status(str));
}
for (int i = 0; i < 14; ++i) {
SYMBOL *pTbl = aConvTbl[i];
for (vector<SYMBOL>::iterator j = Set.begin(); j != Set.end();) {
vector<SYMBOL>::iterator iBeg = Set.begin(), iEnd = Set.end();
if (*j != pTbl[0]) {
++j;
continue;
}
if (pTbl[1] != UN && (j == iBeg || *(j - 1) != pTbl[1])) {
++j;
continue;
}
if (pTbl[2] != UN && (j == iEnd - 1 || *(j + 1) != pTbl[2])) {
++j;
continue;
}
j = pTbl[1] != UN ? Set.erase(j - 1) : j;
j = pTbl[2] != UN ? Set.erase(j + 1) - 1 : j;
*j = pTbl[3];
}
}
cout << (Set.size() == 1 && Set[0] == SE ? "Good" : "Bad!") << endl;
Set.clear();
}
return 0;
}